This is unsurprising, as Sidney Ray provides a complete, comprehensive reference source for anyone wanting information on photographic lenses, from the student to the practitioner or specialist working with visual and digital media ... Instead I found this: There were some metal bits/filings in there that probably got in between the metal piece on the left and the bearing balls preventing it from turning properly. On the output side of the box I added a 4P4C (RJ10) connector for the cable going up to the focuser. And, what will to be the finely circuit illustration with these different components (Arduino, Moto Shield, etc.) Since this is a DIY project on the cheap, I am unimpressed with the prices for a motorized unit. Thanks, Jim. Good grief you guys are making me feel old (or at least 'dated...') ! The solution is to uninstall the focus motor and cover plate from the telescope and they reinstall by carefully following the revised Setup Guide instructions. By BAZ, September 25; Mounts. This is not Quantum Physics, I have many stepper motors working for me at present. This book groups the constellations in a logical order, so that the reader can easily learn them by their origin, and see how their stories interact with one another as a group. Includes focuser with adapters for the rear of any Meade LX200-ACF, LX600, or LS model telescope and cord to plug into the focuser port of the telescope. First I only used tracking. Back to main site ; Board index ‹ EQUIPMENT DISCUSSION ‹ EQUIPMENT HELP & DISCUSSION; Change font size; Print view; FAQ; Search; Skywatcher Auto-Focuser. It’s usually based around a stepper motor, and allows movement of the focuser in extremely accurate and tiny steps from your capture PC. You need to use an optocoupler to switch the connectors. Replaced the steppers with Yaskawa Sigma V servos (20 bit encoder) and it runs nice, quiet, and smooth. On the other hand, MOTOFOCUS units are designed to be attached to the shaft of a focuser knob (or the knob itself) to motorize the movement of the focuser. It allows the focuser to be moved in or out without touching it. Touching the focuser usually causes unwanted movement in the whole telescope. The blue board is the Arduino Nano (it is even smaller than the already small EasyDriver board!!!). ∞ Scopes: Celestron CPC1100 #2 Scope: 8" f/7.5 Dob AP Scopes: TPO 6" f/9 RC, ES 80mm f/6 APO G&G Scopes: Meade 102mm f/7.8, Bresser 102mm f/4.5 Guide Scopes: 70 & 80mm fracs. It consists of an Arduino Nano and a simple relay circuit. Order the best telescope focuser for your stargazing needs at High Point Scientific. We are telescope builders after all. I was expecting to see a few little gears. Microsteps are not deterministic, they smooth motion, but don't help with position. 3k posts. I've got a SkyWatcher Newtonian 200/1000 Telescope on which the focuser is motorized with the following kit : I want to build a motor controller system with the "AccuFocus" Inside circuit system or use another circuit card to render the focus to be USB controlled. UK astronomy forum with an emphasis on diy astronomy projects and tutorials UK astronomy forum with an emphasis on DIY & modding of telescopes and equipment ... Telescope Service TS 65 Quad Skywatcher NEQ6, modded Skywatcher HEQ5 Baader Hyperion 8 & 17mm SW Panaview 32mm QHY8L CCD Camera IMGOH Planetary Cam Lots of other bits & pieces. I have the idea to change the 2 buttons of the manual focus motor controller with 2 electric wires that will be connected in the places of buttons and linked, in the other side, with a type A USB connector. If you want to view a different object, simply repeat the process and let the app and your telescope do the work! Interested in planetary and lunar photography with your telescope? The included accessories … Use the pushbutton hand controller for smooth, precise focus adjustments without vibration. This system comes standard with the digital hub and the motor(s) can be selected from the drop down menu. (If you have a DC motor and need a DC controller there is also a similar project on Sourceforge). firstly remove the little ali adapter that is fitted to the autofocuser shaft. A popular DIY ASCOM focuser with more than 106,000+ downloads. Oh look, you have a ditherbox. It was a slight oversight to install it so the USB connector is at the top. That is why I decided to put the EasyDriver board right next to the stepper. Orion Telescopes stocks several telescope focusers designed with precision and durability in mind. The book provides a much-needed update on the vanguard in the field with vivid e Skywatcher Auto-Focus System for telescopes Product no. - Read. How does the gearmotor work in closed loop auto-focusing when using autofocus software i.e. Always used the Electroglas on an air table because any vibration would shown up in the microscope when probing. Lots of pages discussing this issue on those boards too. Astronomy Shed UK Astronomy Forum - Registration. A Google search showed several projects with good mounting ideas. The stepper motor will be provided with a customised bracket to connect the motor to the telescope and a shaft coupler that will replace one of the focusing knobs of your existing focuser. $575.00. External focusers designed for SCTs have a short overall length so they can swing through the fork mount of the telescope. I've never tried writing a driver. Not really. Can I use the USB port to create an ASCOM driver for this project ? So I need to motorise my focuser so that I can focus remotely. Many thanks for your support and encouragement. Of course if you're going to leave things under the control of something as stupid as a computer then you might also want a mechanism for preventing the motor from trying to run the focuser beyond the limits of its travel. Page 1 of 6 - DIY Electric Focuser - posted in ATM, Optics and DIY Forum: Hello... first post for me in the ATM forum. The Focuser Boss IS compatible with a Mac through Sky X with a daily build 7315 or later. The plug on the left is the input for the 12V supply for the stepper / EasyDriver. Introducing the Deep Sky Dad AF3 Auto Focuser. Teknic has some new motors with integrated drives at pretty reasonable prices which makes a stepper's one true advantage, price, pretty much a thing of the past: https://www.teknic.c...c-servo-motors/. Welcome to MoonLite Telescope Accessories... A manufacturer of premium of traditional Crayford style focusers and Worm drive 2 axis rotating focusers. The Stepper motor will hold the focuser in place. In general though, microsteps smooth motion, full and half steps position. This high resolution geared box has a 0,06 degree step size can can easily lift more than 6 kg (per cm). UK astronomy forum with an emphasis on DIY & modding of telescopes and equipment. but I wanted to go for guiding too. Electric focusers, Crayford focusers and rack and pinion focusers for telescopes. Took all of 10 minutes to get to the testing it running stage (tested with APT). Manual Focusers. In depth discussion of eyepieces, eyepiece kits, barlows, cleaning, etc. Just an FWI, though you probably know this already. The moonlite protocol that is used is very straight forward: the driver sends a text command to the focus controller, which interprets it and drives the (stepper) motor. a tad smoother than steppers. Hands-free DC focusing for precise focusing with the minimum of vibration. welcome! if you don't want software autofocus, then the simplest is to connect 2 permnent magnet motors back to back. Best Telescope Autofocuser of 2021. Permission is granted for personal and Academic use only. Link to … Sadly USB does not connect straight to the switch. Scope: Explorer Scientific 127CF, GSO 10" RC, Askar FR600, Explorer Scientific 152ED CF, Celestron EdgeHD 11". All the components are available for me and it's very easy to implement it. Buy Now, Pay Later. Registering … My DIY astrophotography rig. Page 1 of 2 - DIY motorized focuser - posted in ATM, Optics and DIY Forum: Hi to the group Been a while since I posted here. You can position with microsteps if you use some form of encoder (even a guide star) and closed the loop. For the other electronic components, I already have them in my possession. I didn't want to take the risk of accidentally unplugging the motor cable before powering down the driver. Motorized electronic telescope focuser makes achieving sharp focus easy. Over the last few days I have made more progress. About this product. FTF2025BCR---Feather Touch® Rotatable 2.0" Diameter Dual Speed 2.5" Draw tube travel, Brake, and Compression Ring. My home made ditherbox contains a small microcontroller that gets input from the snap port on my (eq3) mount and uses this information to: A. remotely release the shutter in my Pentax DSLR. The controller can also send data back to the driver. TS Optics 65mm Quad Astrograph scope Fully Flocked Skywatcher 200PDS Scope as a backup... NEQ6 Pro GOTO Computerised mount with Belt Mod and Power Mod complied.. Microwave Imaging offers comprehensive descriptions of the most important techniques so far proposed for short-range microwave imaging—including reconstruction procedures and imaging systems and apparatus—enabling the reader to use ... Astrophotography for Amateurs presents equipment and techniques, features practical hints and tips from the experts, including coverage of traditional "wet" photography, CCD imaging, and computerized image enhancement. I've had some problems with the stepper not being able to turn the focuser occasionally. I used 4 5mm brass hex stand-offs to hold the board in place: Here it is installed inside the Power and Data Box. In most cases you'll want a geared stepper... the Focuser Pro document goes through it pretty well. Drivers are a lot simpler for steppers. You can even have speed control through pulse width modulation. This is the test setup. Yes, exactly, the same system that is manufactured by SkyWatcher : But, although to buy the following motor controller. 2 inch eyepieces are generally those that have both low power and a wide field of view, and are typically very expensive. This is the must-have guide for all amateur astronomers who double as makers, doers, tinkerers, problem-solvers, and inventors. The mechanics of the focuser is what really determines how repeatable and smooth the focuser is though and in reality a servo driven focuser doesn't get one much if any better performance. Striving for stress-free astrophotography sessions. This book takes a look at traditional telescopes built by the great instrument makers of the 18th and 19th centuries, particularly the dynastic telescope makers, including Dollond, Alvan Clark, Thomas Cooke & Sons, and Carl Zeiss. The Arduino controlling the stepper will then be located in my Power and Data Box. All Rights Reserved. More linear V curve and well behaved V curve? This book, by Alexander S. White, is a complete, clearly written guide to the operation of the Nikon Coolpix P900 digital camera. From astrophotographer for astrophotographers - affordable astrophotography gear. Shop High Point Scientific today! FTF2020BCR-LW. My little 12Vdc gearmotors (salvaged from old scrapped chart recorders at work IIRC), driven by a very simple LM317 ckt, still works fine for motor-focus after all these years. Motorized electronic telescope focuser makes achieving sharp focus easy. Come join the newest and most engaging and inclusive astronomy forum geared for beginners and advanced telescope … There is a compliance within a step that may or may not be acceptable) There's a reason why pro machines use servodrives. Model: sw_low-profile_focuser. Includes focuser with adapters for the rear of any Meade LX200-ACF, LX600, or LS model telescope and cord to plug into the focuser port of the telescope. myFocuserPro2 is an ASCOM telescope focuser. DIY telescope remote and autofocus project This project began as a reproduction of a remote focus motor published on the internet by Brian Sumpter(thank you!) This is the perfect book for amateur astronomers who are about to invest in a new Schmidt-Cassegrain or Maksutov telescope, or for those who already have one and want to get the most out of it. This motor acts as the generator and will surprisingly enough turn very accurately the other motor which would serve as the focusing motor. Autofocuser FAQ. This is a great introduction to deep-sky stargazing for novice and experienced amateur astronomers alike. The steppers, even with 10x micro stepping, were throwing drops everywhere. … No ASCOM is required. Choose any speed from coarse to very fine. Please note, it will not work with two single port controllers. We manufacture telescopes and accessories such as telescope wheels, carrying cases, guiding computers, focusers, motors and motor controls and much more. Have a search for TechyDave's focuser on this site, there is also Mr Brown's @ https://sourceforge.net/projects/arduinoascomfocuserpro2diy both will be able to drive the motor.... OK this unit is not DIY , but some times cost less in the long run, I am one that like making things, So good luck and hope it all go well. $535.00. For the other electronic components, I already have them in my possession. Guide Scope & Camera: Sky Watcher Evoguide 50 ED APO, ZWO ASI290mm, ASI 174, ZWO OAG-L. Strange as it might sound these days, there is no PC connected to my scopes. But providing the machinery is not moved by an external force (like a kid swinging on your motorized Dob at a star party), counting microsteps gets a router head back to the home position after a cut with pretty good accuracy. Developed to optimize the capture process. Return to a bigger telescope : but am i pushing things too far ? i have a crayford 2" hand focuser witch 1:8 reduction gear (standard skywatcher's focuser) I'd like to remote control. Type of build Motors & Controls : Recommended accessories: Miscellaneous > Face masks Masketo face mask with summer theme 1 piece: $ 3.90* Masketo face mask with astronomy theme Solar Corona 1 piece: $ 5.90* Masketo face mask white with astronomy theme … But with the AccuFocus electronic focuser, those annoyances are a thing of the past. Re: Autofocuser To Quattro by Dion » Sat Mar 10, 2012 1:12 pm Motorised focusing is the TV remote of the astro world, once you have one, you … The Arduino sketch I used is based on the MoonLite protocol. Been a while since I posted here. The HSM20 will fit any Feather Touch Micro Focuser, Feather Touch retrofit pinion assembly upgrade, or 2.0" Feather Touch Crayford focuser. The are many idea to effectively change the manual focus motor controller with different manners. Product Description The ZWO EAF is an all metal bodied electronic focus drive system designed for installation across a wide range of Optical Tube Assemblies. Unlike traditional auto-focus software looking at the size of the star for focusing using a V curve approach, SharpLock uses the shape of the star instead. SharpLock retrieves both, the focus quality and the focuser move (direction and amplitude), if any, to improve the focus. You can adjust your cookie settings, otherwise we'll assume you're okay to continue. Come join the newest and most engaging and inclusive astronomy forum geared for beginners and advanced telescope … I have this and I have completely automated it with an Arduino controller. The Canon Camera Hackers Manual addresses "geeky" owners of Canon consumer cameras, such as the Powershot and IXUS, who would like to explore the possibilities of their cameras and tweak them to do things that go well beyond the camera's ... Part Number: 20170. The Orion AccuFocus Electronic Telescope Focuser works with many Orion telescopes for pushbutton control of your focuser. The flexible mounting system allows installation across refractors, Newtonians, Cassegrain and many other telescope designs. Then I added the new cable to the "cable management". Jim's Mobile, Inc. (JMI Telescopes) is a world renowned manufacturer of astronomical telescopes and aftermarket accessories for the amateur and professional astronomer. I still use the Bahtinov focus method, I haven't yet upgraded to those sort of "Half flux radius" type algorithms yet, although it's in the plan to do so. But one can test this theory. Thanks to all. Do it yourself focuser: which one? Arduino Focuser 2. I have built a homemade electric focuser for my Celestron 8SE using a radio control hobby servo and some spare parts. Eventually I glued a wooden post to my 12" Newt with E6000 glue and the EAF to it. The Astrophotography Manual is for those photographers who aspire to move beyond using standard SLR cameras and editing software, and who are ready to create beautiful images of nebulas, galaxies, clusters, and the solar system. There are two main options available: Microfocusers, which are precision mechanical devices that replace the stock SCT focuser knob. They do not solve the problem of image shift, but they improve focus accuracy and reduce backlash External focusers, which are similar to the focusers on refractors and Newtonians. Thanks for the references. I first turned the mount into a DIY GoTo mount. Any web sites with downloads that would work for this purpose? Full ASCOM drivers including Temperature Compensation and Stepsize support. The Arduino itself is powered from the USB port. B. The smaller pulley on the stepper has 32 teeth and the larger one on the focuser has 60 teeth. The Controller board has been installed inside the Power and Data Box. ZWO Electronic Automatic Focuser (EAF) 5V on a William Optics GT81 Mk4. It may work with other RC scopes use the similar dual-speed focuser. Copyright © 2021 Stargazers Lounge IMO Steppers can be just as stiff as a servo for this application. Haas) except has slower rapids. When you want to focus, you just open the program and press focus. The arduino code I use is adapted from code for a stepper. Like others have mentioned, micro stepping does not increase resolution, it is solely for making the move smoother. Using the pushbutton hand controller you get smooth, precise focusing, without vibration. Sometime between microsteps the motor will not even move. Telescopes: GSO 12" Astrograph, "Comet Hunter" MN152, ES ED127CF, ES ED80, WO Redcat51, Z12, ... Now I need an autofocuser. I'll send you a personal message this evening. COMING MARCH 2019. FTF2025BCR-LW. After two or three days, I'll received this component and I'll worked hard to get to my project. i want to put together a remote telescope and video camera setup and seem to be hung up on the need for a motorized focuser. Deep Sky Dad. To summarize, there are two areas where tilt can be introduced when installing the focus motor – (1.) Stepper motors, stepper controllers, microprocessors, software, ...just to turn a focuser shaft .?.. Page 1 of 2 diy motorized focuser posted in atm, optics and diy forum: hi to the group been a while since i posted here. UK astronomy forum with an emphasis on DIY & modding of telescopes and equipment. Used the SW focus motor and connected it through Arduino to INDI running on a Raspberry Pi. Step 3: Now completely or as best you can loosen all the screws that attach the focuser to the telescope… FocusMax? F34005CD-C89A-435A-B39C-A9E05E1BA24A. I can now remotely control almost all the functions of my telescope and its mount. The Micro-Focuser is then used to achieve a more precisely focused image via the keypad, without image shift or shake. Add to Wishlist. MoonLite Dual Focuser V2.2.0.0 - Is an Non ASCOM Focuser Control Program for "Manual" focus control of 2 focusers using a PC. There is any suggestions ? Apparently this would instantly destroy the driver chip. Need to know about how to work that new mount or scope? Yesterday the bigger pulley and longer belt have arrived. Fairly easy to build and could be adapted to suit any SCT focuser. Crayford focusers are considered superior to entry-level rack and pinion focusers, normally found in this type of device. My homemade motorized telescope focuser for Celestron C8. This micro focuser is perfect for achieving precise focus with your Skywatcher right angled finderscope. The Astrophotography Manual, Second Edition is for photographers ready to move beyond standard SLR cameras and editing software to create beautiful images of nebulas, galaxies, clusters, and the stars. I don't use INDI library, instead I use ASCOM drivers for all my drivers, like filter wheel, Camera Canon EOS 1100D, ZWO ASI120MM and EQMOD for HEQ5 mount controlling. None of my home brew drivers can do that. The external focuser assembly then threads directly onto the 2" or the 3.25"/3.28" male SCT threads on rear of the telescope. Page 1 of 2 - DIY motorized focuser - posted in ATM, Optics and DIY Forum: Hi to the group Been a while since I posted here. There has to be a simple way to do this. safaritn, In this book, Tony Northrup (award-winning author of more than 30 how-to books and a professional portrait, wildlife, and landscape photographer) teaches the art and science of creating stunning pictures. I did just what you aim to do. By so here are the photos. ZWO EAF Autofocuser $200. Here is the stepper attached to the focuser. discussion grouphttp://tech.groups.yahoo.com/group/sgl_observatory_automation/, Project discussion on Stargazer's Lounge (SGL) forumshttp://stargazerslounge.com/diy-astronomer/106144-arduino-focus-control-cloud-sensor.html, The Arduino controlling the stepper will then be located in my, The Controller board has been installed inside the, Project discussion on Stargazer's Lounge (SGL) forums, http://stargazerslounge.com/diy-astronomer/106144-arduino-focus-control-cloud-sensor.html. That look the same as SW auto Focus may the Hitecastro DC focus may work with it. There is a reference in the header of the arduino sketch (.ino file). Faster, quicker, more accurate, and way smoother, mechanically as well as audibly.
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